diff options
Diffstat (limited to 'extensions/libxt_NFQUEUE.man')
-rw-r--r-- | extensions/libxt_NFQUEUE.man | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/extensions/libxt_NFQUEUE.man b/extensions/libxt_NFQUEUE.man index 1bfb7b84..cb963bec 100644 --- a/extensions/libxt_NFQUEUE.man +++ b/extensions/libxt_NFQUEUE.man @@ -6,8 +6,9 @@ reinject the packet into the kernel. Please see libnetfilter_queue for details. .B nfnetlink_queue -was added in Linux 2.6.14. The \fBqueue-balance\fP option was added in Linux 2.6.31, -\fBqueue-bypass\fP in 2.6.39. +was added in Linux 2.6.14. The \fBqueue\-balance\fP option was added in Linux +2.6.31, +\fBqueue\-bypass\fP in 2.6.39. .TP \fB\-\-queue\-num\fP \fIvalue\fP This specifies the QUEUE number to use. Valid queue numbers are 0 to 65535. The default value is 0. @@ -18,6 +19,8 @@ This specifies a range of queues to use. Packets are then balanced across the gi This is useful for multicore systems: start multiple instances of the userspace program on queues x, x+1, .. x+n and use "\-\-queue\-balance \fIx\fP\fB:\fP\fIx+n\fP". Packets belonging to the same connection are put into the same nfqueue. +Due to implementation details, a lower range value of 0 limits the higher range +value to 65534, i.e. one can only balance between at most 65535 queues. .PP .TP \fB\-\-queue\-bypass\fP @@ -26,8 +29,8 @@ are dropped. When this option is used, the NFQUEUE rule behaves like ACCEPT ins will move on to the next table. .PP .TP -\fB\-\-queue\-cpu-fanout\fP +\fB\-\-queue\-cpu\-fanout\fP Available starting Linux kernel 3.10. When used together with -\fB--queue-balance\fP this will use the CPU ID as an index to map packets to +\fB\-\-queue\-balance\fP this will use the CPU ID as an index to map packets to the queues. The idea is that you can improve performance if there's a queue -per CPU. This requires \fB--queue-balance\fP to be specified. +per CPU. This requires \fB\-\-queue\-balance\fP to be specified. |